Humans have altered the forests of western North America markedly over the past several centuries. We’ve suppressed fire, harvested much of the old-growth trees, and built homes and communities within ...

Forest fires are on the rise globally. An increase in severe fire weather is largely responsible. By Rebecca Dzombak In 2023 and 2024, the hottest years on record, more than 78 million acres of ...

After years of questionable policies, climate change and growing populations, wildfires have gotten worse in the western U.S., and around the world. That’s driven a push to use tools like thinning and ...

Forests play a major role pulling planet-warming carbon dioxide out of the atmosphere. As the world heats up, some forests are becoming emitters in their own right. By Sachi Kitajima Mulkey and Harry ...

Outside the tropics, the climate signal was starker. Wildfires burned 13 million acres in Canada, making 2025 the country’s ...